Poisons, drugs in harmful quantities, drugs and other chemicals can get into the body in many ways - they can be swallowed, injected, introduced by inhalation or transferred as a result of bites by venomous insect or animal. Bringing first aid in case of poisoning is difficult because the rescuer can not be sure if the poison got into the body and what is its strength.
Should immediately call an ambulance or ask for advice over the phone. Many poisons known effective antidotes (antidotes), which, given the patient, neutralize the action of a toxic substance.